CN213169808U

CN213169808U - Broken material conveying device

Info

Publication number: CN213169808U
Application number: CN202020436475.6U
Authority: CN
Inventors: 邓辉辉; 李金凤; 陈秋君
Original assignee: Guangxi Meista Engineering Machinery Equipment Co ltd
Current assignee: Guangxi Meista Engineering Machinery Equipment Co ltd
Priority date: 2020-03-30
Filing date: 2020-03-30
Publication date: 2021-05-11
Anticipated expiration: 2030-03-30

Abstract

The utility model discloses a broken material conveyor, conveyor is including carrying support frame, the drive belt, gear motor, rotate the drive roll of connection at carrying the support frame front end, rotate the driven voller of connection at carrying the support frame rear end, the drive belt is around on the upper and lower surface of carrying the support frame between drive roll and the driven voller, gear motor sets up in the front end lateral part of carrying the support frame, this gear motor's output shaft and drive roll transmission are connected, the rear side that just is located gear motor at the lateral part of carrying the support frame is provided with the tensioning adjusting device who is used for adjusting the drive belt tensioning, bottom surface edge at carrying the support frame is provided with the supporting seat, rear end surface at carrying the support frame is provided with buffering strutting arrangement. The utility model discloses can install fast and transport to and play good buffering and cushioning effect to the grit of whereabouts after the breakage, can also carry out the tensioning fast and adjust, improve the tensile force of drive belt, play better stable effect to the drive belt.

Description

Broken material conveying device

Technical Field

The utility model belongs to the technical field of conveying mechanical equipment, especially, relate to a broken material conveyor.

Background

When the jaw crusher crushes materials, the principle is that the movable jaw group and the fixed jaw frame arranged on the rack are mutually occluded to crush the materials, the materials are sent into the vibrating screen or the conveying mechanism to be sent into the loading vehicle after being crushed, when crushed gravels fall to the vibrating screen or the conveying mechanism, the movable jaw group and the fixed jaw frame and the conveying mechanism can generate strong vibration, cracks can be generated easily, the service life of the conveying mechanism is seriously influenced, in addition, huge pressure can be generated when the crushed gravels fall on the surface of the conveying mechanism, the conveying belt of a common conveying mechanism is tiled, the materials are easily scattered from the edge of the belt, the environment is messy, the materials are conveyed unsmoothly, and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a broken material conveyor, according to the utility model discloses a conveyor can carry out quick installation and transportation to the grit of whereabouts after broken plays good buffering and cushioning effect, can also adjust the tensioning state of drive belt fast, has improved the tensile force of drive belt, has promoted the stable effect of drive belt in grit transportation process. In order to achieve the above purpose, the utility model adopts the following technical scheme:

according to one aspect of the utility model, a broken material conveying device is provided, the conveying device comprises a conveying support frame, a transmission belt and a speed reducing motor, a driving roller connected to the front end of the conveying support frame is rotated, a driven roller connected to the rear end of the conveying support frame is rotated, the transmission belt is wound on the upper surface and the lower surface of the conveying support frame along the space between the driving roller and the driven roller, the speed reducing motor is arranged on the side part of the front end of the conveying support frame, an output shaft of the speed reducing motor is in transmission connection with the driving roller, a tensioning adjusting device for adjusting the tensioning of the transmission belt is arranged on the side part of the conveying support frame and on the rear side of the speed reducing motor, a support seat is arranged on the edge of the bottom surface of the conveying support frame;

preferably, the conveying support frame comprises an upper frame body and a lower frame body, the lower edge of the upper frame body is fixedly connected with the upper edge of the lower frame body through a plurality of pull rods, a transverse support rod is arranged in the lower frame body, the upper edges of two sides of the upper frame body are fixedly connected through a gantry-shaped brace, an upper rotating support roller assembly formed by folding a plurality of sections into arc arrangement is transversely arranged from the upper edge in the upper frame body to the lower frame body, so that the transmission belt is arranged in a groove shape along the upper frame body and the lower frame body, a lower rotating support roller is transversely fixed below the two side edges of the lower frame body, the transmission belt is wound on the upper surface and the lower surface of the conveying support frame along the driving roller, the lower rotating support roller, the driven roller and the upper rotating support roller assembly, and the tension adjusting device are fixed between the side part of the front end of the upper frame body and the side part of the front end of the lower frame body .

In a further preferred embodiment of the present invention, a lower frame body is provided at a front end thereof and behind and below the drive roller, and a scraper is transversely provided, an upper edge surface of the scraper contacting a lower surface of the belt.

Preferably, the tensioning adjusting device includes an L-shaped supporting plate, a fixing seat, a clamping seat and a push-pull screw, one side of the L-shaped supporting plate is slidably fixed to the side portions of the upper frame body and the lower frame body, the speed reduction motor is fixed to the other side of the L-shaped supporting plate, the fixing seat is fixed to the rear end of the L-shaped supporting plate, the clamping seat is fixed to the side portion between the upper frame body and the lower frame body at the rear end of the L-shaped supporting plate, one end of the push-pull screw is fixed to the L-shaped supporting plate through the fixing seat, and the other end of the push-pull screw is slidably connected to the clamping seat.

In a further preferred mode of the above scheme, a material protection plate which obliquely extends outwards and upwards is arranged around the rear end edge of the conveying support frame, and the material protection plate is positioned above the side of the edge of the buffering support device.

According to a further preferred embodiment of the above scheme, the upper rotating carrier roller assembly comprises an M-shaped groove support plate, a side rotating carrier roller and a center rotating carrier roller, lower surfaces at two ends of the M-shaped groove support plate are horizontally fixed on the lower frame body, the center rotating carrier roller is horizontally supported and fixed at the center of the M-shaped groove support plate, the side rotating carrier roller is fixed on the M-shaped groove support plate at two ends of the center rotating carrier roller in an inclined manner, and the side rotating carrier roller is inclined upwards from two ends of the center rotating carrier roller and upwards along the upper sides of two ends of the M.

According to a further preferred embodiment of the above scheme, side supporting plates are vertically fixed on the upper surfaces of the two ends of the M-shaped groove supporting plate upwards, a bent part bent towards the center of the M-shaped groove supporting plate is arranged at the top end of the side supporting plate, one end of the side rotating carrier roller is fixed at the top end of the bent part, and the other end of the side rotating carrier roller is obliquely supported and fixed on the M-shaped groove supporting plate towards one end of the center rotating carrier roller.

According to a further preferred embodiment of the above scheme, when the number of the central rotating carrier rollers is 1, the side support plates are respectively fixed on different side surfaces at two ends of the M-shaped groove support plate or the same vertical plane, so that the side rotating carrier rollers and the central rotating carrier rollers are fixed on the same vertical plane or different vertical planes.

According to the scheme, the number of the central rotating carrier rollers is preferably 2 or more than 2, the central rotating carrier rollers are fixed on two sides of the M-shaped groove supporting plate in parallel, the side supporting plates at two ends of the M-shaped groove supporting plate are respectively fixed on the same vertical plane, and the side rotating carrier rollers and the central rotating carrier rollers are not on the same vertical plane.

In a further preferable mode of the above scheme, the buffer supporting device is a plurality of elastic rubber tubes or rubber strips arranged in parallel along the conveying direction of the conveying belt.

According to the scheme, the lower frame body is further preferably provided with at least one group of aligning idler assemblies in the transverse direction below the lower frame body, and the aligning idler assemblies are arranged between adjacent lower rotating idlers at intervals

To sum up, because the utility model adopts the above technical scheme, the utility model discloses following technological effect has:

(1) the utility model discloses a conveying mechanism demountable fitting installs on corresponding supporting seat, and fixed mounting, dismantlement and transportation are convenient, and the grit material accessible longmen form brace that transports on the conveyer belt levels, and can improve the effect of shakeout conveying.

(2) When broken rubble material whereabouts to the conveyer belt of jaw, be provided with buffering strutting arrangement on the rear end surface of carrying the support frame, the drive belt plays good buffering and cushioning effect to the grit to prevent that the grit material from haring the drive belt, adjust the drive belt through tensioning adjusting device, improved the tensile force of drive belt, promoted the stable effect of drive belt in grit transportation process.

Drawings

Fig. 1 is a schematic view of the general structure of a crushed material conveying device according to the present invention;

fig. 2 is a cross-sectional view of a crushed material conveyor of the present invention;

fig. 3 is a schematic structural view of the conveying support frame of the present invention;

fig. 4 is an axial view of the conveying support frame of the present invention;

FIG. 5 is a schematic view of the tension adjusting device of the present invention;

figure 6 is a schematic structural view of a first embodiment of the upper turning idler assembly of the present invention;

figure 7 is a schematic structural view of a second embodiment of the upper turning idler assembly of the present invention;

figure 8 is a schematic structural view of a third embodiment of the upper turning idler assembly of the present invention;

fig. 9 is a schematic structural view of the aligning idler assembly of the present invention;

fig. 10 is an axial view of the aligning idler assembly of the present invention;

in the drawing, a conveying support frame 1, a transmission belt 2, a speed reduction motor 3, a driving roller 4, a driven roller 5, a tensioning adjusting device 6, a support base 7, a buffer support device 8, a material protection plate 9, an L-shaped support plate 60, a fixed base 61, a clamping base 62, a push-pull screw 63, an upper frame body 100, a lower frame body 101, a pull rod 102, a transverse support rod 103, a gantry-shaped brace 104, an upper rotating idler assembly 105, an M-shaped groove support plate 105a, a side rotating idler 105b, a center rotating idler 105c, a side support plate 105d, a bent portion 105e, a guide roller 105f, a lower rotating idler 106, a mud scraper 107, an aligning idler assembly 108, a lower idler 108a, an upper adjusting idler 108b, an aligning idler 108c, a deflection adjusting roller 108d, a fixed support frame 108e, a rotating shaft 108f, an idler support 108g, an L-shaped support shaft 108h, a tension spring 108i and an.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

As shown in fig. 1, 2, 3 and 4, according to the present invention, a conveyor for crushed materials comprises a conveying support frame 1, a transmission belt 2, a speed reducing motor 3, a driving roller 4 rotatably connected to the front end of the conveying support frame 1, and a driven roller 5 rotatably connected to the rear end of the conveying support frame 1, wherein the transmission belt 2 is wound on the upper and lower surfaces of the conveyed support frame 1 along the space between the driving roller 4 and the driven roller 5, the speed reducing motor 3 is disposed on the front side portion of the conveying support frame 1, the output shaft of the speed reducing motor 3 is in transmission connection with the driving roller 4, a tension adjusting device 6 for adjusting the tension of the transmission belt 2 is disposed on the side portion of the conveying support frame 1 and on the rear side of the speed reducing motor 3, a support seat 7 is disposed on the bottom edge of the conveying support frame 1, a buffer support device 8 is disposed on the rear end surface of the conveying support, the buffer supporting device 8 is a plurality of elastic rubber tubes or rubber strips which are arranged in parallel along the transmission direction of the transmission belt 2, when the broken crushed stone materials fall onto the transmission belt 2, the transmission belt 2 receives a larger impact effect, so that the transmission belt 2 is supported by the buffer supporting device 8 when sinking downwards, thereby preventing the sand from being impacted and settled continuously, the buffer support device 8 has good buffer and shock absorption functions on the sand impact of the transmission belt 2, is beneficial to playing a good and stable transportation effect in the sand conveying process, a material protection plate 9 which extends outwards and upwards is arranged around the rear end edge of the conveying support frame 1, and this material protecting plate 9 is located the side top at 8 edges of buffering strutting arrangement is favorable to preventing that the grit material from dropping from the drive belt when falling to the drive belt on, has increased the volume that drive belt 2 saved the grit material. The conveying support frame 1 comprises an upper frame body 100 and a lower frame body 101, the lower edge of the upper frame body 100 is fixedly connected with the upper edge of the lower frame body 101 through a plurality of pull rods 102, a transverse support rod 103 is arranged in the lower frame body 101, the upper edges of two sides of the upper frame body 100 are fixedly connected through a gantry-shaped brace 104, and the height of the gantry-shaped brace 104 is flush with the lower edge of the material protection plate 9 or lower than the upper edge of the material protection plate 9; when the sand falls on the transmission belt 2, the sand material higher than the material protecting plate 9 is leveled through the gantry-shaped brace 104, so as to level the sand material, which is favorable for the sand material not to be easily scattered in the transmission process, an upper rotating roller assembly 105 which is formed by transversely folding a plurality of sections into arc arrangement is transversely arranged from the upper edge in the upper frame body 100 to the lower frame body 101, so that the transmission belt 2 is arranged along the upper frame body 100 and the lower frame body 101 in a groove shape, the crushed stone material broken by the jaw falls into the groove-shaped transmission belt 2 to be transmitted, not only more crushed stone material can be transmitted, but also the sand broken by the jaw can be reduced from randomly scattering from the transmission belt 2, a lower rotating roller 106 is transversely fixed below the two side edges of the lower frame body 101, the lower rotating roller 106 is transversely installed below the lower frame body 101, so that the transmission belt 2 moves on the lower rotating roller 106, the transmission belt 2 is supported and pushed well, the friction force of the transmission belt 2 is reduced, the transmission belt 2 is wound on the upper and lower surfaces of the conveyed support frame 1 along the space among the driving roller 4, the lower rotating idler 106, the driven roller 5 and the upper rotating idler assembly 105, and the speed reduction motor 3 and the tension adjusting device 6 are fixed between the side part of the front end of the upper frame body 100 and the side part of the front end of the lower frame body 101. A mud scraper 107 is transversely arranged at the front end of the lower frame body 101 and behind and below the driving roller, the upper surface of the mud scraper 107 is in contact with the lower surface of the transmission belt 2, the mud scraper 107 spans the lower surface of the transmission belt 2, the mud scraper 107 is in close contact with the lower surface of the transmission belt 2, the mud scraper 107 excessively arches upwards, the transmission belt is prevented from becoming loose in the transmission process, when the transmission belt 2 is horizontally arranged, the mud scraper 107 and the lower rotating carrier roller 106 are at the same height or higher than the height of the rotating carrier roller 106, the mud scraper 107 and the lower rotating carrier roller 106 simultaneously support the transmission belt 2, and mud adhered to the surface of the transmission belt 2 is scraped away through the mud scraper 107; the crushed stone materials with broken jaws often contain soil or moisture and often adhere to the surface of the transmission belt 2, and when the crushed stone materials are transferred by the transmission belt 2 and then return to the rear end to run and rotate, the mud scraping plate 107 is in contact with the surface of the transmission belt 2 to scrape away the adhered soil or sand powder.

In the present invention, as shown in fig. 1, 3 and 5, the tension adjusting device 6 includes an L-shaped supporting plate 60, a fixing seat 61, a clamping seat 62 and a push-pull screw 63, one side of the L-shaped supporting plate 60 is slidably fixed on the side portions of the upper frame body 100 and the lower frame body 101, the speed reduction motor 3 is fixed on the other side of the L-shaped supporting plate 60, the fixing seat is fixed on the rear end of the L-shaped supporting plate 60, the clamping seat 62 is fixed on the side portion between the upper frame body 100 and the lower frame body 101 at the rear end of the L-shaped supporting plate 60, one end of the push-pull screw 63 is fixed on the L-shaped supporting plate 60 through the fixing seat 61, the other end of the push-pull screw 63 is slidably connected in the clamping seat 62, the push-pull screw 63 slides on the clamping seat 62, and pushes the L-shaped supporting plate 60 to drive the speed reduction motor 3 to move to the front end or the rear end of the conveying supporting frame 1, so as to push the driving roller 4, thereby reach the purpose that adjusts drive belt 2 and carry out the tensioning, make the drive belt play better stable effect at the conveying stone sand in-process.

In the present invention, referring to fig. 3, 6 and 7, the upper rotating idler assembly 105 includes an M-shaped groove pallet 105a, a side rotating idler 105b and a center rotating idler 105c, the lower surfaces of both ends of the M-shaped groove pallet 105a are horizontally fixed on the lower frame body 101, the center rotating idler 105c is horizontally supported and fixed on the center of the M-shaped groove pallet 105a, the side rotating idler 105c is fixed on the M-shaped groove pallet 105a of both ends of the center rotating idler 105c in an inclined manner, the side rotating idler 105b is inclined upward from both ends of the center rotating idler 105c and upward along both ends of the M-shaped groove pallet 105a, after the driving belt 2 is installed on the inclined side rotating idler 105b and the horizontally arranged center rotating idler 105c, the edge of the driving belt 2 is inclined, and a groove shape is formed from the edge to the middle of the driving belt 2, broken rubble material by the jaw falls to being carried in being fluted form drive belt 2, not only can carry more rubble material, can also reduce the gravel that the jaw is broken simultaneously and drift from drive belt 2 in everywhere at will.

In the present invention, referring to fig. 3 and 7, a side supporting plate 105d is vertically fixed on the upper surface of each end of the M-shaped groove supporting plate 105a, a bending portion 105e bending toward the center of the M-shaped groove supporting plate 105a is formed at the top end of the side supporting plate 105d, one end of the side rotating roller 105c is fixed at the top end of the bending portion 105e, the other end of the side rotating roller 105c is supported and fixed on the M-shaped groove supporting plate 105a in an inclined manner toward one end of the center rotating roller 105c, a guide roller 105f is further provided in the bending extending direction of the bending portion, when the driving belt 2 is conveyed in the groove-shaped space formed by the side rotating roller 105b and the center rotating roller 105c, the guide roller 105f extrudes the edge of the driving belt 2, so as to prevent the driving belt 2 from shifting during the conveying process, and reduce the abrasion between the edge of the, but also is convenient to convey, and ensures the stability of the conveying belt. When the number of the central rotating supporting rollers 105c is 1, the side supporting plates 105d are respectively fixed on the same vertical plane at two ends of the M-shaped groove supporting plate 105a, so that the side rotating supporting rollers 105b and the central rotating supporting rollers 105c are fixed in the same vertical plane.

The utility model discloses in, combine and show in fig. 7, when the quantity of bearing roller 105c was rotated at the center was 1, side layer board 105d was fixed respectively on the different sides at M type groove layer board 105a both ends, made the side rotate bearing roller 105b and center rotate bearing roller 105c and fix not at same vertical plane.

The utility model discloses in, combine figure 8 to show, when the quantity that bearing roller 105c was rotated at the center was 2 or more than two, the center was rotated bearing roller 105c and is fixed on M type groove layer board 105 a's both sides in parallel, the side layer board 105d at M type groove layer board 105a both ends is fixed respectively on same vertical plane, and the side is rotated bearing roller 105b and is not at same vertical plane with center rotation bearing roller 105c to increase the holding surface of rotating the bearing roller to the driving band, make the drive belt play better stabilizing action at the conveying stone sand in-process the utility model discloses in, drive roll 4, driven voller 5, lower rotation bearing roller 106, side rotate bearing roller 105b, the center rotates 105c, the guide roll bearing roller can adopt smooth nylon material to make.

In the present invention, as shown in fig. 9 and 10, at least one set of aligning idler assemblies 108 is transversely disposed below the lower frame body 101, the aligning idler assemblies 108 are spaced between adjacent lower rotating idlers 106, when the length of the belt exceeds 15m, a set of aligning idler assemblies 108 is additionally installed at intervals of 8 to 12m, the aligning idler assemblies 108 include a lower joist 108a, an upper adjusting joist 108b, an aligning idler 108c and a deflection adjusting roller 108d, both ends of the lower joist 108a are fixed below the lower frame body 101 by vertically disposed fixing supports 108e, a revolving shaft 108f is disposed in the center of the lower joist 108a, a lower end of the revolving shaft 108f is fixed on the lower joist 108a, an upper end of the revolving shaft 108f is connected with the center of the upper adjusting joist 108b, so that the upper adjusting joist 108b is rotatably disposed on the lower joist 108a between the two fixing supports 108e through the revolving shaft 108f, two ends of the aligning carrier roller 108c are horizontally connected and fixed at two ends of the upper adjusting joist 108b through a vertically arranged carrier roller bracket 108g, when the transmission belt 2 generates deviation in the forward transmission process, the upper adjusting joist 108b is driven by the rotating shaft 108f to also deviate and rotate, the deviation adjusting roller 108d is arranged in front of two ends of the aligning carrier roller 108c through an L-shaped supporting shaft 108h, the fixed end of the L-shaped supporting shaft 108h is hinged with the fixed supporting frame 108e, the deviation adjusting roller 108d is sleeved on the outer wall of the free end of the L-shaped supporting shaft 108h, the L-shaped supporting shaft 108h and the deviation adjusting roller 108d are arranged at the front side position of the lower joist 108a, the free end of the L-shaped supporting shaft 108h is provided with an extension spring 108i, the extension spring 108i is connected between the fixed supporting frame 108e and the free end of the L-shaped supporting shaft 108h, an L-shaped stop block 108j is arranged at the rear side of the lower joist 108a and at the two sides of the rotating shaft 108f, the fixed end of the L-shaped stop block 108j is slidably arranged on the lower joist 108a, one end of the L-shaped stop block 108j extends upwards to be at least flush with the height of the aligning idler 108c, when the transmission belt 2 is pressed on the surface of the aligning idler assembly 108, the edge of the transmission belt 2 is pressed on the deviation adjusting roller 108d, if the transmission belt 2 deviates in the transmission operation process, the L-shaped support shaft 108h drives the deviation adjusting roller 108d to horizontally swing back and forth on the outer side of the upper adjusting joist 108b, and simultaneously the upper adjusting joist 108b is driven to rotate by a deviation angle by taking the aligning idler 108c as the center, during the rotation process, the aligning idler 108c on the upper adjusting joist 108b will contact with the L-shaped stop block 108j, and further deviation rotation of the aligning idler 108c is prevented, at the moment, the edge of the transmission belt 2 applies a thrust force on the deflection adjusting roller 108d, at the moment, the L-shaped supporting shaft 108h horizontally rotates by an offset angle by taking the fixed supporting frame 108e as a center, and the L-shaped supporting shaft 108h is gradually rotated to the original position under the action of the elastic force of the extension spring 108i, so that the aligning carrier roller 108c drives the transmission belt 2 to automatically return to the original position after deflecting, and automatic deflection correction of the deflecting is realized, the transmission belt 2 is transversely arranged below the lower frame body 101 from one end close to the driving roller 4 or the driven roller 5 for adjusting the transmission belt 2, the deflection of the transmission belt 2 is prevented, and the running reliability of the transmission belt is greatly improved; when the aligning idler assembly 108 is installed, firstly, a fixed support frame 108e is vertically welded and installed at two ends of an L-shaped support shaft 108h, on the front side of a lower joist 108a, a deflection adjusting roller 108d is respectively installed on the fixed support frame 108e through the L-shaped support shaft 108h, so that the deflection adjusting roller 108d is perpendicular to the lower joist 108a and the transmission belt 2, on the rear side of the lower joist 108a, an L-shaped block 108j is horizontally and vertically arranged on the lower joist 108a in a sliding manner, the free end of the L-shaped block 108j extends upwards to the rear side of the aligning idler 108c, the degree of freedom of the L-shaped block 108j is aligned with the height of the aligning idler 108c, then the aligning idler 108c is arranged on the rotating shaft 108f through an upper adjusting joist 108b, so that the aligning idler 108c, an upper adjusting joist 108b and the lower joist 108a are kept parallel from top to bottom and are arranged on the same vertical surface, then the extension spring 108i is installed between the top end of the fixed support frame 108e and the free end of the L-shaped support shaft 108 h; the L-shaped stoppers 108j on both sides of the L-shaped support shaft 108h are adjusted such that the L-shaped stoppers 108j are installed within a desired prescribed distance from the L-shaped support shaft 108h, thereby defining the position where the upper adjustment joist 108b is rotationally offset.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A broken material conveyor which characterized in that: the conveying device comprises a conveying support frame, a transmission belt and a speed reducing motor, wherein the driving roller connected to the front end of the conveying support frame is rotated, the driven roller connected to the rear end of the conveying support frame is rotated, the transmission belt is wound on the upper surface and the lower surface of the conveying support frame along the driving roller and the driven roller, the speed reducing motor is arranged on the side portion of the front end of the conveying support frame, an output shaft of the speed reducing motor is connected with the driving roller in a transmission mode, a tensioning adjusting device used for adjusting tensioning of the transmission belt is arranged on the side portion of the conveying support frame and on the rear side of the speed reducing motor, a supporting seat is arranged on the edge of the bottom surface of the conveying support frame, and.

2. A crushed material conveyor as claimed in claim 1, wherein: the conveying support frame comprises an upper frame body and a lower frame body, the lower edge of the upper frame body is fixedly connected with the upper edge of the lower frame body through a plurality of pull rods, a transverse supporting rod is arranged in the lower frame body, the upper edges of the two sides of the upper frame body are fixedly connected through a gantry brace, an upper rotating carrier roller component which is formed by folding a plurality of sections into arc arrangement is transversely arranged from the upper edge in the upper frame body to the lower frame body, so that the transmission belt is arranged along the upper frame body and the lower frame body in a groove shape, a lower rotating carrier roller is transversely fixed below the position between the two side edges of the lower frame body, the transmission belt is wound on the upper surface and the lower surface of the conveyed support frame along the positions among the driving roller, the lower rotating carrier roller, the driven roller and the upper rotating carrier roller assembly, the speed reducing motor and the tensioning adjusting device are fixed between the side part of the front end of the upper frame body and the side part of the front end of the lower frame body.

3. A crushed material conveyor as claimed in claim 2, wherein: and a mud scraper is transversely arranged at the front end of the lower frame body and behind and below the driving roller, and the upper surface of the mud scraper is in close contact with the lower surface of the transmission belt, so that the transmission belt is in upward arching transition on the mud scraper.

4. A crushed material conveyor as claimed in claim 2, wherein: the tensioning adjusting device comprises an L-shaped supporting plate, a fixed seat, a clamping seat and a push-pull screw rod, wherein one side of the L-shaped supporting plate is fixed on the side parts of the upper frame body and the lower frame body in a sliding mode, the speed reducing motor is fixed on the other side of the L-shaped supporting plate, the fixed seat is fixed at the rear end of the L-shaped supporting plate, the clamping seat is fixed on the side part between the upper frame body and the lower frame body at the rear end of the L-shaped supporting plate, one end of the push-pull screw rod is fixed on the L-shaped supporting plate through the fixed seat, and the other end of the push-pull.

5. A crushed material conveying apparatus according to claim 1 or 2, wherein: and a material protection plate which is inclined outwards and extends upwards is arranged around the rear end edge of the conveying support frame, and the material protection plate is positioned above the side of the edge of the buffering support device.

6. A crushed material conveyor as claimed in claim 2, wherein: the upper rotating carrier roller assembly comprises an M-shaped groove supporting plate, side edge rotating carrier rollers and a center rotating carrier roller, the lower surfaces of two ends of the M-shaped groove supporting plate are horizontally fixed on the lower frame body, the center rotating carrier roller is horizontally supported and fixed in the center of the M-shaped groove supporting plate, the side edge rotating carrier rollers are fixed on the M-shaped groove supporting plate at two ends of the center rotating carrier roller in an inclined mode, and the side edge rotating carrier rollers are inclined upwards from two ends of the center rotating carrier roller and upwards along two ends of the M-shaped groove supporting plate; the upper surfaces of two ends of the M-shaped groove supporting plate are upwards and vertically fixed with side supporting plates, the top ends of the side supporting plates are provided with bending parts bending towards the center of the M-shaped groove supporting plate, one ends of the side rotating carrier rollers are fixed at the top ends of the bending parts, the other ends of the side rotating carrier rollers are obliquely supported and fixed on the M-shaped groove supporting plate towards one ends of the center rotating carrier rollers, and guide rollers are further arranged in the bending extending directions of the bending parts.

7. The crushed material conveying apparatus according to claim 6, wherein: when the number of the central rotating carrier rollers is 1, the side supporting plates are respectively fixed on different side surfaces at two ends of the M-shaped groove supporting plate or the same vertical plane, so that the side rotating carrier rollers and the central rotating carrier rollers are fixed on the same vertical plane or not on the same vertical plane.

8. The crushed material conveyor of claim 7, wherein: when the number of the central rotating carrier rollers is 2 or more than 2, the central rotating carrier rollers are fixed on two sides of the M-shaped groove supporting plate in parallel, the side supporting plates at two ends of the M-shaped groove supporting plate are respectively fixed on the same vertical plane, and the side rotating carrier rollers and the central rotating carrier rollers are not on the same vertical plane.

9. A crushed material conveying apparatus according to claim 5, wherein: the buffer supporting device is a plurality of elastic rubber tubes or rubber strips which are arranged in parallel along the transmission direction of the transmission belt.

10. A crushed material conveyor as claimed in claim 2, wherein: at least one group of aligning carrier roller assemblies are transversely arranged below the lower frame body, and the aligning carrier roller assemblies are arranged between the adjacent lower rotating carrier rollers at intervals.